org.ballerinalang.stdlib.internal.file.MoveTo.java Source code

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Here is the source code for org.ballerinalang.stdlib.internal.file.MoveTo.java

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/*
 * Copyright (c) 2018, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.ballerinalang.stdlib.internal.file;

import org.apache.commons.io.FileUtils;
import org.ballerinalang.bre.Context;
import org.ballerinalang.bre.bvm.BLangVMErrors;
import org.ballerinalang.bre.bvm.BlockingNativeCallableUnit;
import org.ballerinalang.model.types.TypeKind;
import org.ballerinalang.model.values.BMap;
import org.ballerinalang.model.values.BValue;
import org.ballerinalang.natives.annotations.Argument;
import org.ballerinalang.natives.annotations.BallerinaFunction;
import org.ballerinalang.natives.annotations.Receiver;
import org.ballerinalang.natives.annotations.ReturnType;
import org.ballerinalang.stdlib.internal.Constants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;

import static org.ballerinalang.util.BLangConstants.BALLERINA_BUILTIN_PKG;

/**
 * Move file/directory to another directory.
 *
 * @since 0.971.0
 */
@BallerinaFunction(orgName = Constants.ORG_NAME, packageName = Constants.PACKAGE_NAME, functionName = "moveTo", receiver = @Receiver(type = TypeKind.OBJECT, structType = Constants.PATH_STRUCT, structPackage = Constants.PACKAGE_PATH), args = {
        @Argument(name = "target", type = TypeKind.OBJECT, structType = Constants.PATH_STRUCT, structPackage = Constants.PACKAGE_PATH) }, returnType = {
                @ReturnType(type = TypeKind.OBJECT, structType = BLangVMErrors.STRUCT_GENERIC_ERROR, structPackage = BALLERINA_BUILTIN_PKG) }, isPublic = true)
public class MoveTo extends BlockingNativeCallableUnit {

    private static final Logger log = LoggerFactory.getLogger(MoveTo.class);

    @Override
    public void execute(Context context) {
        BMap<String, BValue> sourcePathStruct = (BMap<String, BValue>) context.getRefArgument(0);
        Path sourcePath = (Path) sourcePathStruct.getNativeData(Constants.PATH_DEFINITION_NAME);

        BMap<String, BValue> targetPathStruct = (BMap<String, BValue>) context.getRefArgument(1);
        Path targetPath = (Path) targetPathStruct.getNativeData(Constants.PATH_DEFINITION_NAME);

        File source = new File(sourcePath.toString());
        File target = new File(targetPath.toString());
        try {
            if (source.isDirectory()) {
                FileUtils.moveDirectory(source, target);
            } else {
                FileUtils.moveFile(source, target);
            }
        } catch (IOException ex) {
            String msg = "IO error occurred while moving file/directory from: \'" + sourcePath + "\' to: \'"
                    + targetPath + "\'. " + ex.getMessage();
            log.error(msg, ex);
            context.setReturnValues(BLangVMErrors.createError(context, msg));
        }
    }
}